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Hyperfunctions

PostgreSQL

How percentile approximation works (and why it's more useful than averages)

14 Sep 2021 28 min read

Get a primer on percentile approximations, why they're useful for analyzing large time-series data sets, and how we created the percentile approximation hyperfunctions to be efficient to compute, parallelizable, and useful with continuous aggregates and other advanced TimescaleDB features.

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How percentile approximation works (and why it's more useful than averages)
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